#title,
#footer {
    width: 100%;
    height: 60px;
    background-color: white;
}

#title-con {
    margin: auto;
    width: 1100px;
    height: 60px;
}

#title-con>img {
    margin-top: 15px;
    width: 80px;
    height: 30px;
}

#center {
    width: 100%;
    height: 600px;
    position: relative;
}

#center-con {
    background-color: white;
    width: 450px;
    height: 470px;
    position: absolute;
    right: 100px;
    top: 60px;
    font-size: 12px;
    color: gray;
}

#center-con>h3 {
    display: inline-block;
    text-align: left;
    margin-top: 30px;
    margin-left: 30px;
    font-size: 16px;
    font-weight: normal;
}

#center-con>h3>a {
    color: black;
    display: block;
    width: 80px;
    height: 30px;
    margin-bottom: 20px;
}

#center-con input {
    width: 390px;
    height: 40px;
    text-indent: 20px;
    border: 1px solid gainsboro;
    margin-left: 30px;
    text-indent: 20px;
}

#center-con p {
    width: 390px;
    height: 20px;
    color: red;
    margin-left: 30px;
}

#center-con #btn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: white;
    border: 1px solid gainsboro;
    margin-bottom: 20px;
}

#center-con a {
    color: skyblue;
}

#center-con>span {
    position: absolute;
    right: 166px;
    bottom: 246px;
}

#center-con-bottom {
    width: 390px;
    height: 50px;
    border-top: 1px solid gainsboro;
    margin: auto;
    margin-top: 20px;
}

#center-con-bottom>a {
    float: right;
    margin-top: 40px;
}

#center-con-bottom>img {
    width: 50px;
    height: 50px;
    margin-top: 20px;
}

#footer-con {
    margin: auto;
    width: 280px;
    height: 30px;
    font-size: 12px;
    line-height: 30px;
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
}

#footer-con a {
    color: gray;
}

#footer-con a:hover {
    color: skyblue;
}

#footer span {
    font-size: 12px;
    color: gray;
    margin-left: 38%;
}